embedding/android/Restarter.java.in

   1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
   2  * ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Mozilla Android code.
  16  *
  17  * The Initial Developer of the Original Code is Mozilla Foundation.
  18  * Portions created by the Initial Developer are Copyright (C) 2010
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Brad Lassey <blassey@mozilla.com>
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #filter substitution
  39 package org.mozilla.@MOZ_APP_NAME@;
  40
  41 import android.app.*;
  42 import android.content.*;
  43 import android.util.*;
  44 import android.os.*;
  45 import java.io.*;
  46
  47 public class Restarter extends Activity {
  48     @Override
  49     public void onCreate(Bundle savedInstanceState) {
  50         Log.i("Restarter", "trying to restart @MOZ_APP_NAME@");
  51         try {
  52             boolean stillRunning;
  53             int spinCountdown = 8;
  54             do {
  55                 stillRunning = false;
  56                 java.lang.Process p = Runtime.getRuntime().exec("/system/bin/ps");
  57                 BufferedReader psOut = new BufferedReader(new InputStreamReader(p.getInputStream()));
  58                 String line;
  59                 Log.i("Restarter", "pid: " + new Integer(android.os.Process.myPid()).toString());
  60                 while((line = psOut.readLine()) != null) {
  61                     Log.i("Restarter", "ps: " + line);
  62                     if (line.contains("org.mozilla.@MOZ_APP_NAME@")){
  63                         if (!line.contains(new Integer(android.os.Process.myPid()).toString())){
  64                             Log.i("Restarter", "app still running, wait a bit");
  65                             stillRunning = true;
  66                             Thread.sleep(500);
  67                             break; // don't need to look at the rest
  68                         } else {
  69                             Log.i("Restarter", "found ourselves");
  70                         }
  71                     }
  72                 }
  73                 if (stillRunning)
  74                     spinCountdown--;
  75                 else
  76                     spinCountdown = 0;
  77             } while(spinCountdown != 0);
  78         } catch (Exception e) {
  79             Log.i("Restarter", e.toString());
  80         }
  81         try {
  82             String action = "android.intent.action.MAIN";
  83             Intent intent = new Intent(action);
  84             intent.setClassName("org.mozilla.@MOZ_APP_NAME@",
  85                                 "org.mozilla.@MOZ_APP_NAME@.App");
  86             Bundle b = getIntent().getExtras();
  87             if (b != null)
  88                 intent.putExtras(b);
  89             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  90             Log.i("GeckoAppJava", intent.toString());
  91             startActivity(intent);
  92         } catch (Exception e) {
  93             Log.i("Restarter", e.toString());
  94         }
  95         System.exit(0);
  96     }
  97 };